Family Instance Extension Utility Property

Property to check whether the instance can be extended and return the interface for extension operation.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

Syntax

public IExtension ExtensionUtility { get; }

Public ReadOnly Property ExtensionUtility As IExtension
	Get

public:
property IExtension^ ExtensionUtility {
	IExtension^ get ();
}

member ExtensionUtility : IExtension with get

Remarks

If the family instance can not support extension operation, it returns